161078450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{247813}}^1$

素因数の和:247838

約数の個数: 24

約数和(自身を含む): 322653828

約数和(自身を除く): 161575378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 247813, 495626, 1239065, 2478130, 3221569, 6195325, 6443138, 12390650, 16107845, 32215690, 80539225, 161078450]

約数ペア:

[(1, 161078450), (2, 80539225), (5, 32215690), (10, 16107845), (13, 12390650), (25, 6443138), (26, 6195325), (50, 3221569), (65, 2478130), (130, 1239065), (325, 495626), (650, 247813)]